Bukhari :: Book 8 :: Volume 75 :: Hadith 347

Narrated 'Aisha:

The Prophet heard a man reciting (the Qur'an) in the mosque. He said," May Allah bestow His Mercy on him, as he made me remember such and-such Verse which I had missed in such-and-such Sura."

Source materials are from the University of Southern California MSA site
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